.head {
    width: 980px;
    margin: 0px auto 0px;
}

.head_logo {
    height: 80px;
    float: left;
    width: 700px;
}

.head_logo img {
    width: 80px;
    height: 80px;
    vertical-align: middle;
}

.logo_content {
    font-size: 30px;
    text-align: center;
    font-weight: bold;
}

.head_info {
    height: 100px;
    font-family: "微软雅黑";
}